<html>
<head>
<script type="text/javascript" src="jquery-3.2.1.js"></script>
<script type="text/javascript">
	$(document).ready(function() {
		$("button").click(function () {
			$("p").hide();
		});
		$("#show").click(function () {
			$("p").show();
		});
	});
</script>
</head>

<body>
	<h2>This is a heading</h2>
	<p>This is a paragraph.</p>
	<p>This is another paragraph.</p>
	<button type="button">Hide me</button>
	<button id="show" type="button">Show me</button>
</body>
</html>
